— “One tree can’t make a forest” is a famous saying.
—Sure. It tells us the importance of ______.
| A． |
teamwork |
B． |
knowledge |
C． |
friendship |
D． |
housework |
Jack is quite different_____his twin brother Jeff.（ ）
| A． |
to |
B． |
for |
C． |
from |
D． |
with |
Katie is_____of the three girls in her family.（ ）
| A． |
young |
B． |
younger |
| C． |
the younger |
D． |
the youngest |
Our classroom won't be clean _____we clean it every day.（ ）
| A． |
after |
B． |
while |
C． |
unless |
D． |
because |
You'd better get up_____，or you will miss the train.（ ）
| A． |
early |
B． |
slowly |
C． |
quietly |
D． |
carefully |
Nowadays，_____birds fly to the warm south in winter.（ ）
| A． |
million |
B． |
millions |
| C． |
two millions |
D． |
millions of |